1 files changed, 50 insertions, 0 deletions
diff --git a/src/twitcr/rest.cr b/src/twitcr/rest.cr
new file mode 100644
index 0000000..1de8d6f
--- /dev/null
+++ b/src/twitcr/rest.cr
@@ -0,0 +1,50 @@
+require "http"
+require "json"
+require "./mappings/*"
+
+module Twitcr::REST
+  # Mixin for interacting with Twitch's REST API
+  SSL_CONTEXT = OpenSSL::SSL::Context::Client.new
+  API_BASE    = "https://api.twitch.tv/helix"
+
+  EMPTY_RESULT = Exception.new("Empty Result")
+
+  # Executes an HTTP request against the API_BASE url
+  def request(method : String, route : String, version = "5", headers = HTTP::Headers.new, body : String? = nil)
+    headers["Authorization"] = @token
+    headers["Client-ID"] = @client_id
+
+    response = HTTP::Client.exec(
+      method,
+      API_BASE + route,
+      headers,
+      tls: SSL_CONTEXT
+    )
+
+    response.body
+  end
+
+  def get_user_by_login(login : String)
+    response = request(
+      "GET",
+      "/users?login=" + login
+    )
+
+    list = UserList.from_json(response)
+    raise EMPTY_RESULT if list.data.empty?
+
+    list.data.first
+  end
+
+  def get_user_by_id(id : Int64)
+    response = request(
+      "GET",
+      "/users?id=" + id.to_s
+    )
+
+    list = UserList.from_json(response)
+    raise EMPTY_RESULT if list.data.empty?
+
+    list.data.first
+  end
+end